Lake Saint Clair, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Lake Saint Clair, Franklin County.
Full aviation weather for Lake Saint Clair is published on the Washington Regional Airport (KFYG) page, 29 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 2 airfields within reach of Lake Saint Clair have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Lake Saint Clair: Spirit of St Louis Airport (KSUS) 48 km
Conditions reported at KFYG describe the airfield itself. Weather 29 km away can differ, particularly in terrain or near the coast. For conditions at Lake Saint Clair specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Lake Saint Clair.
Lake Saint Clair in Franklin County, Missouri, is a place where the land breathes a quiet, verdant sigh, its contours softened by the persistent caress of water. It lies 25.5 miles south-west of Wildwood, MO (from Wildwood, MO: bearing 225°T), and is situated 8.8 miles south of Union. Rolling hills, cloaked in a patchwork of dense woodlands and open fields, gently slope towards the tranquil waters of the lake, reflecting the shifting moods of the sky in their glassy surface. The air here carries a faint, earthy perfume, a blend of damp soil and blooming wildflowers, particularly potent after a summer shower, and the rustle of leaves overhead orchestrates a constant, hushed melody. Sunlight, when it breaks through the canopy, falls in broken shafts, illuminating patches of moss-covered stone and the occasional flash of iridescent dragonfly wings over the water's edge. The history of Lake Saint Clair is etched not in grand monuments but in the enduring spirit of those who have worked this land and fished these waters. Once a wilder expanse, the area gradually yielded to the steady rhythm of agriculture, its fertile soil supporting generations of farming families who cultivated crops and raised livestock. The lake itself, a focal point for recreation and a source of sustenance, has long been central to the local economy, drawing visitors for its fishing and boating. Subtle vestiges of earlier times can still be found, perhaps in the weathered planks of an old boathouse or the faint outlines of forgotten homesteads swallowed by the encroaching forest, whispers of a past that continues to inform the unhurried pace of life in Lake Saint Clair.
Live animated radar for Lake Saint Clair and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Lake Saint Clair, Franklin County, Missouri |
| Coordinates | 38.32286°N, 90.99784°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63077 |
| Area Code | 314 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Lake Saint Clair, Missouri, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Lake Saint Clair includes coordinates 38.322860°N, 90.997840°W, situated in Franklin County. ZIP code 63077. Telephone area code: 314. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.